Exhibit 19 ---------- INVESTOR RIGHTS AGREEMENT INVESTOR RIGHTS AGREEMENT, dated as of March 6, 2002, among SAVVIS COMMUNICATIONS CORPORATION, a Delaware corporation ("Savvis" or the "Company"), WELSH, CARSON, ANDERSON & STOWE VIII, L.P., a Delaware...Investor Rights Agreement • March 20th, 2002 • Reuters Group PLC /Adr/ • Periodicals: publishing or publishing & printing • New York
